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Poly(vinyl alcohol) Hydrogels Reinforced with Nanocellulose for Ophthalmic Applications: General Characteristics and Optical Properties
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Nanotechnology and Functional Materials.ORCID iD: 0000-0001-7638-0925
Fibre and Polymer Technology and Wallenberg Wood Science Center, School of Chemical Science and Engineering, KTH Royal Institute of Technology, Stockholm, Sweden.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Nanotechnology and Functional Materials.
2016 (English)In: Journal of Physical Chemistry B, ISSN 1520-6106, E-ISSN 1520-5207, Vol. 120, no 51, 13094-13101 p.Article in journal (Refereed) Published
Abstract [en]

Globally, uncorrected refractive errors are one of the main causes of visual impairment, and contact lenses form an important part of modern day eye care and culture. Several hydrogels with varying physicochemical properties are in use to manufacture soft contact lenses. Hydrogels are generally too soft and reinforcement with appropriate materials is desirable to achieve high water content without compromising mechanical properties. In this study, we have developed a highly transparent macroporous hydrogel with water content >90%, by combining poly(vinyl alcohol) with nanocellulose. Furthermore, the results show that the composite hydrogel has refractive index close to that of water and very good UV-blocking properties.

Place, publisher, year, edition, pages
2016. Vol. 120, no 51, 13094-13101 p.
Keyword [en]
nanocellulose, polyvinyl alcohol, transparent, optical properties, contact lens
National Category
Nano Technology
Research subject
Engineering Science with specialization in Nanotechnology and Functional Materials
Identifiers
URN: urn:nbn:se:uu:diva-310405DOI: 10.1021/acs.jpcb.6b10650ISI: 000391160300010OAI: oai:DiVA.org:uu-310405DiVA: diva2:1056690
Projects
WWSC
Funder
Knut and Alice Wallenberg Foundation
Available from: 2016-12-15 Created: 2016-12-15 Last updated: 2017-02-08Bibliographically approved

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